A letter to be delivered by a registered broker-dealer, registered investment adviser, licensed attorney, or certified public accountant to assist the issuer in a Rule 506(c) offering in taking the necessary "reasonable steps" to verify the accredited investor status of a prospective purchaser. The letter is based in part on the safe harbor provision of Rule 506(c)(2)(ii)(C). This Standard Document has integrated notes with important explanations and drafting tips.